seaside April 2008

seaside@lists.squeakfoundation.org

79 participants
89 discussions

Re: [Seaside] Re: ODFCanvas?
by Boris Popov 11 Apr '08

11 Apr '08

That largely depends on what documents you produce. If its invoices and statements, they shouldn't be editable. If its something else, maybe. We do the former, so html to pdf works great. Cheers! -Boris (via BlackBerry) ----- Original Message ----- From: seaside-bounces(a)lists.squeakfoundation.org <seaside-bounces(a)lists.squeakfoundation.org> To: seaside(a)lists.squeakfoundation.org <seaside(a)lists.squeakfoundation.org> Sent: Fri Apr 11 12:11:41 2008 Subject: Re: [Seaside] Re: ODFCanvas? On Fri, 11 Apr 2008 06:44:44 -0700 "Boris Popov" <boris(a)deepcovelabs.com> wrote: > There are excellent programs out there that convert HTML+CSS to PDF, specifically PDFreactor which we have been using to generate downloadable documents using the same rendering code with slightly tweaked stylesheets for print media. I seem to recall posting small snippets to get you started on the list recently. Found it ... March 14, in "Printing - via rendering to static HTML file and prince CSS?". From the (vague) description on the website, I'd expect PDFreactor to work similarly to CSS2XSLFO, so it seems to be a viable solution to create "printable" documents. However, now that I thought of it, the idea of producing an editable document looks mighty attractive. I hope that I manage to wait for my customer to come up with this idea himself :-) s. _______________________________________________ seaside mailing list seaside(a)lists.squeakfoundation.org http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

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Re: [Seaside] Re: ODFCanvas?
by Boris Popov 11 Apr '08

11 Apr '08

There are excellent programs out there that convert HTML+CSS to PDF, specifically PDFreactor which we have been using to generate downloadable documents using the same rendering code with slightly tweaked stylesheets for print media. I seem to recall posting small snippets to get you started on the list recently. Cheers! -Boris (via BlackBerry) ----- Original Message ----- From: seaside-bounces(a)lists.squeakfoundation.org <seaside-bounces(a)lists.squeakfoundation.org> To: seaside(a)lists.squeakfoundation.org <seaside(a)lists.squeakfoundation.org> Sent: Fri Apr 11 05:54:57 2008 Subject: Re: [Seaside] Re: ODFCanvas? Hi Stephan, On Fri, 11 Apr 2008 13:25:09 +0200 stephan(a)stack.nl wrote: > > The practical reason for this is that I will need to create some > > "editable", at least "printable" and "permanently storable" documents > > like orders or requests for quotes. > > I'm happy generating LaTeX and processing it with pdflatex. > It is simple (at least compared to odf), fast, free, and a lot > better looking than fo based approaches. I agree with the advantages you mention. One of the reasons I came up with the css2xslfo transformator is that it should result in a pretty good WYSIWYG effect, as it would make use of the style information I use on the site already. Whereas with LaTeX I'd have to recreate something similar looking first. I admit to not knowing much about the internals, possibilities and limitations of creating ODF files "manually", but I hope that ODF being XML based would allow me to leverage much of what is already available. And it would be really nice to produce an editable document by calling "renderContentOn: odf" instead of "renderContentOn: html", wouldn't it? Thanks, s. _______________________________________________ seaside mailing list seaside(a)lists.squeakfoundation.org http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

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ODFCanvas?
by Stefan Schmiedl 11 Apr '08

11 Apr '08

Greetings, since there's been some ideas on generating SVG from within a Seaside application, I start wondering about creating another XML-based document format: Open Document Format, nee ODF, which is what OpenOffice.org is using as its native file format. Has anybody done anything in this direction? The practical reason for this is that I will need to create some "editable", at least "printable" and "permanently storable" documents like orders or requests for quotes. One possible way would be to make forms completely editable on screen, i.e. within Seaside, and then use a tool like CSS2XSLFO (see http://sourceforge.net/projects/css2xslfo ) which makes use of (X)HTML input, CSS-based layout info and an external XSL processor like apache's FOP to produce a PDF file. The advantages are that editing happens completely within the application, hence the "printed" document is internally available. Another approach would be to generate an ODF-based file, which the user can download and edit with OOo (which would be a great way to wean clients from their perceived MS dependency). An "advantage" here is that I don't have to put as much work into the application (the less code, the better) and that the user can modify the docs in whatever yet unthought of way he wants. What do you think? Regards, Stefan

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Navigation in Seaside
by Vyacheslav Akhmechet 11 Apr '08

11 Apr '08

Hello, I'm the creator of Weblocks[1]. Many of the ideas behind Weblocks were borrowed (or stolen, depending on your point of view) from Seaside. I'm a little uneasy about the way Weblocks does navigation, so I wanted to see if I can borrow some more ideas from the Seaside framework. At the moment Weblocks has a navigation widget (component), which is a class that contains a dictionary of pane names and other widgets, as well as the currently selected pane. When the navigation is rendered, the currently selected pane is rendered along with navigation links. Cliking on a particular link resets the current pane. This system is tied to a friendly URL system, so that a URL path is broken into tokens and the framework automatically selects appropriate panes. This system works, but it's somewhat quirky. I can't quite put my finger on where I went wrong with the design, but there is some inelegance which I can't resolve. Could someone point me to information about how Seaside handles this? I couldn't easily find any online. Thanks in advance! Regards, Slava Akhmechet [1] http://common-lisp.net/project/cl-weblocks/

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Re: ODFCanvas?
by stephan＠stack.nl 11 Apr '08

11 Apr '08

> The practical reason for this is that I will need to create some > "editable", at least "printable" and "permanently storable" documents > like orders or requests for quotes. I'm happy generating LaTeX and processing it with pdflatex. It is simple (at least compared to odf), fast, free, and a lot better looking than fo based approaches. Stephan

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SUSortable - 2 lists - drag&drop lost after ajax re-render
by Petr Fischer 11 Apr '08

11 Apr '08

Hi, my next problem with SUSortable - I have two sortable lists. Both lists are completely re-rendered with ajax updaters on drop operation. Everything looks good, but "drag&drop" is inactive after ajax-rerender (I can't move list items by mouse anymore). In Seaside Scriptaculous DEMO application on page "drag & drop" is example with two sortable lists - but there is a little difference - only the status paragraphs above lists are rerendered by ajax, not the lists itself. I need to re-render whole lists on drop operations (due to some application logic conditions) and this is problem IMHO - maybe list items lost "mouse event connection" after afax re-render? When is list-item connected to "mouse event" - on initial page load by javascript, right? Sorry for English, is it understandable? Thanks, pf

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Re: [Seaside] HTML method naming conventions
by Boris Popov 11 Apr '08

11 Apr '08

I agree with Colin, we have abstracted html into a more readable and elegant Smalltalk syntax and it works great once you get into it, look for long term benefits, not immediate 1-to-1 comparisons. Having that said, there's no reason why someone couldn't just make a package of html-like accessors if they felt strongly about it, but then you are moving away from what the rest of the Seaside world had settled on. Cheers! -Boris (via BlackBerry) ----- Original Message ----- From: seaside-bounces(a)lists.squeakfoundation.org <seaside-bounces(a)lists.squeakfoundation.org> To: Seaside - general discussion <seaside(a)lists.squeakfoundation.org> Sent: Thu Apr 10 20:55:41 2008 Subject: Re: [Seaside] HTML method naming conventions On 10-Apr-08, at 7:44 PM, Edward Stow wrote: > + 1 I would prefer to use html tag names, td, tr, a. > > And seaside adds to the html language disconnect by using #url: for > src and href attributes. - 1 The most important consideration is readability. That's better served by fidelity to Smalltalk conventions than by fidelity to the HTML spec. A rendering method is Smalltalk code that generates HTML, not a template language. That's a good thing - rendering code can be refactored like any other Smalltalk code, and can thus generate complex interfaces that would be difficult or impossible with something that had more fidelity to HTML. Colin _______________________________________________ seaside mailing list seaside(a)lists.squeakfoundation.org http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

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External javascript, Server path and Windows problems
by Edward Stow 11 Apr '08

11 Apr '08

Hi Using Windows XP, Seaside-2.8-530.app I need or want to have all my css and javascript files as external files. My javascript and css are under active development at the same time as the seaside code. During development it would be convenient to have seaside serve these files. For production apache will do this work. I have added #updateRoot: to my component: MyCompenent>>updateRoot: aRoot ".. stuff deleted .." aRoot script url: '/scripts/loadMaps.js' However in the loaded web page Firebug reports: <h1> Error: "/scripts/loadMaps.js" not found. </h1> Q: What is the default document root for Seaside. I assume it is the same directory as the image (or the vm) - tried both without success. The Server Path was set in the seaside/config page but it seems that Seaside does not like Windows .. eg Server Path set to E:\data\work\Seaside-2.8-530.app results in an error reported by the browser: Error: "/E:\data\work\Seaside-2.8-530.app" not found. --- Note the leading / Any suggestions on serving static css / js from a windows machine? -- Edward Stow

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exceptions while debugging - frozen UI
by Holger Kleinsorgen 10 Apr '08

10 Apr '08

Hello, the following freezes the Squeak UI: - implement a callback as "self halt zork" - trigger the callback in the webbrowser (e.g. click on an anchor with this callback) - the debugger pops up - click on the callback method, step over halt, step over zork - the web browser will now show the error in the usual way - press debug - UI is frozen, image is still alive

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[Q] Tag-Note relationship, any suggestion?
by "S.J.Chun" 10 Apr '08

10 Apr '08

Hi, my web application uses following classes; NOTE: which has "contents" and "tags" TAG: which has "name" What I want is getting notes using tag and simple but crude idea could be using dictionary and set; MainDBDictionary(an instance of dictionary). inserting: MainDBDictionary at: #SomeTagName put: (aSetOfNotesUnderThisTag add: aNewNote) fetching: MainDBDictionary at: #SomeTagName current implentation does not above model; in fact I'm using SQLite but I want to remove dependency on SQLite or other RDB. Can above model be directly mapped into OODB? For example Magma? If not, any suggestion on better design or reference/documentation on this? Thank you in advance.

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seaside April 2008